Credit: Matt Stone

WORK IN PROGRESS: Defensive lineman Justin Francis waits to run a drill during yesterday’s practice in Foxboro.

FOXBORO — Justin Francis isn’t the kind to get complacent.

Francis wasn’t satisfied last season when he made the Patriots as an undrafted rookie free agent. He wasn’t content after finally earning playing time toward the end of the year. And he isn’t now, entering his second training camp.

The 23-year-old turned heads last year after a three-sack performance in Week 17 against Miami. He followed that with a season-high five tackles in the AFC Championship Game against Baltimore. Following the season, Francis’s hunger only grew.

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